![]() ![]() It comes with a combination vacuum pressure gauge and a fitting, that is attached to the radiator filler neck. This tool is nothing more, than a little hand pump. ![]() Radiator, Pressure Testing Pumps Coolant System Tester Then check the radiator hoses and water pump, for seepage or leaks. Consequently, (to increase the cooling load on the system) and or take it for a short drive. ![]() When the engine reaches normal operating temperature, turn on the air conditioner. So, top off your cooling system, tighten the radiator cap and start the engine. There are several ways to find out whether or not your cooling system, is holding pressure. As a result, show you a path, to your engine coolant leaks. The dye will show up, very brightly under the UV light. Then, park your car in a very dark place and use the UV light, to search for your leak. Then drive your car for a few days, to make sure the dye circulates through everything. So, you can add the UV dye to your engine cooling system. Most auto parts stores, sell UV dye and light kits. How To Check, Your Cooling System For Leaks: Using A, Leak Detection Dye Using A Leak Detection DyeĪdding leak detection dye to the coolant, can make a slow leak easier to find. Wait until all the pressure has vented, before turning the cap, the rest of the way off. Then, place a rag over the radiator cap and slowly, turn the cap until it starts to release pressure. Shut the engine off and let it sit about an hour, so it can cool down. Especially, if it is low and coolant is boiling inside the engine. SAFETY FIRST: Do not open the radiator cap while the engine is hot! Even if the cooling system is leaking, the coolant will be under a lot of pressure. This will also cause, pressure loss and engine coolant leaks. If the cap, is the wrong cap for the radiator.This could also create, an air lock in the radiator as well. Rad Cap, Leaks Rad Cap Engine Coolant Leaks So, if you have a leaky, weak or damaged radiator cap, you may experience loss of coolant. The source of internal leaks, could be the fault of: ![]() And, you find that you need to, constantly refill the tank or your engine overheats. Internal, Leaks Internal Engine Coolant LeaksĪn internal leak, would be apparent when the coolant level, does not stay constant. Blown head gasket, that is leaking externally.Cracks in the engine block, cylinder head, intake manifold.Because, most of the time you will just, visually see them. There Are Primarily, Three Places You Can Have, Engine Coolant Leaks:įinding, External Leaks External Engine Coolant LeaksĮxternal leaks, are the easiest type to find. First of all, you need to know, what type of engine coolant leaks you have. You may also notice, a sweet smell, which is a characteristic odor, of ethylene glycol antifreeze. All depending, on the type of antifreeze in the system. Consequently, the color of the coolant may be green, orange or yellow. Look for any sign of liquid leaking, from the engine, radiator or hoses. So, if you suspect the vehicle has a coolant leak, visually inspect the engine and cooling system. The diluted liquid, is usually called coolant. Antifreeze is a concentrated product, normally based on glycol and containing inhibitors.Īs a result, it has to be diluted, to a suitable concentration for use. Usually, the coolant can be seen dripping, spraying, seeping or bubbling, from the leaky component. No check engine lights.Consequently, this is followed by, a high engine temperature reading or actual engine overheating. Truck runs great, stays slightly below half on the temp. Does this even sound possible? After the oil burned off there hasn't been any smoke since. I thought that maybe the valve seals were leaking and I got some oil down the cylinder. I added about a quart and after I started it up it was blowing a lot of smoke. One thing I noticed when I added some oil after I bought the truck. Can a head gasket leak externally like I am describing or is it something else causing leak. Engine oil has no coolant and coolant has no oil. I don't get any white smoke or blue smoke from the exaust when cold or warm. It also looks like oil on the underside of the head around where the heads and block attatch. So I look up and see wet areas on the bottom of the exaust manifold studs. When I get under the truck it's wet on right and left side near the starter on the drivers side I see oil on the front drive shaft area. No leaks from the valve cover or rear cam seals that I can tell. Ok so after replacing my timing belt, water pump and front cam seals I'm still seing oil toward the back bottom side of the engine. ![]()
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